Merge$0($List$1,$ List$2)$

Set OUTlist to empty

While List$1$ is not empty OR List$2$ is not empty

If one list is empty and the other is not,

Remove the first number from the non$-$empty list and add it to OUTlist

If both lists are non$-$empty,

Remove the first number from List$1$ and add it to OUTlist

Remove the first number from List$2$ and add it to OUTlist

Return OUTlist

If ListA is $[1,3,5]$ and ListB is $[2,4,6]$ then what is the result of Merge$0($ListA$,$ Merge$0($ListB$,$ ListA$))?$